[Sifo5]

Be + about + to + infinitive

If you are about to do something, you are going to do it very soon

Ex: Don't go out now we're aboute to have supper
I was about to go to bed, when the telephone rang

and for the futur: I think the plane's about to take off

I wish that it was useful for you, and I promise you that the next lesson won't be late

SALAM